Man is brought to tears when he learns he gets to keep his foster dog

It's referred to as a "foster fail." People like this man who agree to foster a dog (or any animal) until a permanent home can be found.
He was fostering a German Shepherd named Mary. She was adopted as a pup, and not long after the rescuer was notified by a different shelter that she was there. She had skin issues, was in sad shape, She was neglected. She spent some time in the hospital and Doug & Michelle agreed to foster until a home could be found. He made it clear he didn't want to get attached. He just wanted to get the dog into a good home.

It didn't take long to see that Doug had fallen in love. Here's what happened last Christmas....